Book/Report FZJ-2018-04122

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Der Perowskit La$_{1-x}$Sr$_{x}$MnO$_{3-\delta}$ als Kathodenwerkstoff für die Hochtemperaturbrennstoffzelle : Pulverherstellung, Formgebung und Charakterisierung

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1993
Forschungszentrum Jülich GmbH Zentralbibliothek Verlag Jülich

Jülich : Forschungszentrum Jülich GmbH Zentralbibliothek Verlag, Berichte des Forschungszentrums Jülich 2725, 53 p. ()

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Report No.: Juel-2725

Abstract: Perovskite La$_{1-x}$Sr$_{x}$MnO$_{3-\delta}$-powder with an Sr-content of 0.0 to 0.9 mole were produced by the solid-state reaction. They were plasma sprayed to fabricate soating samples and uniaxial pressing-sintering was used for shaping bodies. Sample properties investigated are stochiometry, crystal structure, phase transformation, thermal expansion, electrical conductivity up to 1000 °C and the behavior of the powder during processing. Determined properties as a function of composition, oxygen and Mn$^{4+}$-ion concentration, temperature and processing method indicate that La$_{1-x}$Sr$_{x}$MnO$_{3-\delta}$ materials with high electrical conductivity and a suitable coefficent of thermal expansion can be produced based on a definite crystal structure. These materials have a potential applicability in fabricating SOFC (Solid Oxide Fuel Cells).


Contributing Institute(s):
  1. Publikationen vor 2000 (PRE-2000)
Research Program(s):
  1. 899 - ohne Topic (POF3-899) (POF3-899)

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 Record created 2018-07-11, last modified 2021-01-29


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